Home / 2,140.89-2,950.99-1,616.01

Finding the Fourth Proportional to 2,140.89, 2,950.99 and 1,616.01

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Solution

The fourth proportional to 2,140.89, 2,950.99 and 1,616.01 is: 2,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.89 : 2,950.99 = 1,616.01 : x
  2. Step 2: Convert to fraction form
    2,140.89/2,950.99 = 1,616.01/x
  3. Step 3: Cross multiply
    2,140.89x = 2,950.99 × 1,616.01
  4. Step 4: Simplify right side
    2,140.89x = 4,768,829.35
  5. Step 5: Solve for x
    x = 4,768,829.35/2,140.89
  6. Step 6: Final answer
    x = 2,227.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.